[1]
Snyder, N.F.R. and Fry, J.T. 2013. Validity of Bartram’s Painted Vulture (Aves: Cathartidae). Zootaxa. 3613, 1 (Feb. 2013), 61–82. DOI:https://doi.org/10.11646/zootaxa.3613.1.3.